ClangCodeModel: Move quickfix functionality to dedicated set of files

Change-Id: I7cc55afa7aa50ba584593457b6c1393794866c56
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/clangcodemodel/clangdquickfixes.h

@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <cppeditor/cppquickfix.h>
+#include <languageclient/languageclientquickfix.h>
+
+namespace ClangCodeModel {
+namespace Internal {
+class ClangdClient;
+
+class ClangdQuickFixFactory : public CppEditor::CppQuickFixFactory
+{
+public:
+    ClangdQuickFixFactory();
+
+    void match(const CppEditor::Internal::CppQuickFixInterface &interface,
+               QuickFixOperations &result) override;
+};
+
+class ClangdQuickFixProvider : public LanguageClient::LanguageClientQuickFixProvider
+{
+public:
+    ClangdQuickFixProvider(ClangdClient *client);
+
+private:
+    TextEditor::IAssistProcessor *createProcessor(
+            const TextEditor::AssistInterface *) const override;
+};
+
+} // namespace Internal
+} // namespace ClangCodeModel